Friction Control by Applying Electric Potential under Lubrication with Ionic Liquids

This study investigated the effects of the electric potential of a surface on the lubricating capabilities of ionic liquids. The friction coefficient of 1-butyl-3-methylimidazolium iodide was unchanged by the electric potential of the surface because this ionic liquid has difficulty moving in a solu...

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Autores principales:	Shouhei Kawada, Shuhei Ogawa, Shinya Sasaki, Masaaki Miyatake
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2019
Materias:	ionic liquid diamond-like-carbon electric double layer Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/f77266d9c9f04288bf97831bb6475336
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spelling	oai:doaj.org-article:f77266d9c9f04288bf97831bb64753362021-11-05T09:18:04ZFriction Control by Applying Electric Potential under Lubrication with Ionic Liquids1881-219810.2474/trol.14.71https://doaj.org/article/f77266d9c9f04288bf97831bb64753362019-06-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/14/2/14_71/_pdf/-char/enhttps://doaj.org/toc/1881-2198This study investigated the effects of the electric potential of a surface on the lubricating capabilities of ionic liquids. The friction coefficient of 1-butyl-3-methylimidazolium iodide was unchanged by the electric potential of the surface because this ionic liquid has difficulty moving in a solution owing to its low conductivity. However, the friction coefficient, when lubricated with 1-butyl-3-methylimidazolium tris(pentafluoroethyl)trifluorophosphate and 1-butyl-3-methylimidazolium hexafluorophosphate, changed when the electric potential of the surface was varied. At -2.0 V, cations were adsorbed on the sliding surface. The alkyl chain of cations supported the load and achieved a low friction coefficient. However, at 2.0 V, anions were adsorbed on the sliding surface. Such ions cannot support the load, and thus reach a high friction coefficient.Shouhei KawadaShuhei OgawaShinya SasakiMasaaki MiyatakeJapanese Society of Tribologistsarticleionic liquiddiamond-like-carbonelectric double layerPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 14, Iss 2, Pp 71-77 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	ionic liquid diamond-like-carbon electric double layer Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	ionic liquid diamond-like-carbon electric double layer Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Shouhei Kawada Shuhei Ogawa Shinya Sasaki Masaaki Miyatake Friction Control by Applying Electric Potential under Lubrication with Ionic Liquids
description	This study investigated the effects of the electric potential of a surface on the lubricating capabilities of ionic liquids. The friction coefficient of 1-butyl-3-methylimidazolium iodide was unchanged by the electric potential of the surface because this ionic liquid has difficulty moving in a solution owing to its low conductivity. However, the friction coefficient, when lubricated with 1-butyl-3-methylimidazolium tris(pentafluoroethyl)trifluorophosphate and 1-butyl-3-methylimidazolium hexafluorophosphate, changed when the electric potential of the surface was varied. At -2.0 V, cations were adsorbed on the sliding surface. The alkyl chain of cations supported the load and achieved a low friction coefficient. However, at 2.0 V, anions were adsorbed on the sliding surface. Such ions cannot support the load, and thus reach a high friction coefficient.
format	article
author	Shouhei Kawada Shuhei Ogawa Shinya Sasaki Masaaki Miyatake
author_facet	Shouhei Kawada Shuhei Ogawa Shinya Sasaki Masaaki Miyatake
author_sort	Shouhei Kawada
title	Friction Control by Applying Electric Potential under Lubrication with Ionic Liquids
title_short	Friction Control by Applying Electric Potential under Lubrication with Ionic Liquids
title_full	Friction Control by Applying Electric Potential under Lubrication with Ionic Liquids
title_fullStr	Friction Control by Applying Electric Potential under Lubrication with Ionic Liquids
title_full_unstemmed	Friction Control by Applying Electric Potential under Lubrication with Ionic Liquids
title_sort	friction control by applying electric potential under lubrication with ionic liquids
publisher	Japanese Society of Tribologists
publishDate	2019
url	https://doaj.org/article/f77266d9c9f04288bf97831bb6475336
work_keys_str_mv	AT shouheikawada frictioncontrolbyapplyingelectricpotentialunderlubricationwithionicliquids AT shuheiogawa frictioncontrolbyapplyingelectricpotentialunderlubricationwithionicliquids AT shinyasasaki frictioncontrolbyapplyingelectricpotentialunderlubricationwithionicliquids AT masaakimiyatake frictioncontrolbyapplyingelectricpotentialunderlubricationwithionicliquids
_version_	1718444446155014144

Friction Control by Applying Electric Potential under Lubrication with Ionic Liquids

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